/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Metadata/Accessors/PCGAttributeAccessorKeys.h
Retrieve in the given view pointers of the wanted type Need to be a supported type, such asFPCGPoint, PCGMetadataEntryKey or void. It will wrap around if the index/range goes outside the number of keys.
true if it succeeded, false otherwise. (like num == 0,unsupported type or read only)
template<typename ObjectType> bool GetKeys ( int32 InStart, [TArrayView](API\Runtime\Core\Containers\TArrayView)< ObjectType * > & OutKeys )